I am not interested in seeing adult themed cookies - to be honest they gross me out! I wouldn't care if there was a specific section for them but wouldn't like to stumble across them while browsing through pictures.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .